Date Calculator | Calculate Date Differences
Blue theme date tool
Date Calculator | Calculate Date Differences
Calculate exact date differences in years, months, days, total days, weeks, weekdays, and calendar span with a cleaner date calculator built for quick planning.
Date details
Select a start date and end date, then choose whether the end date should be included in the count.
This is the first date in the comparison.
This is the second date in the comparison.
Useful for trip length, project duration, or inclusive calendar counts.
Live summary
Preview updates while you change the dates.
Calendar span 1 month, 0 days
Total days 31 days
Weekdays 23 weekdays
Date direction Forward range
Note: exact calendar span is shown in years, months, and days, while total days shows the full day count across the same period.
Exact date difference
1 month, 0 days
Your date difference summary will appear here.
Standard calendar difference
Years 0
Months 1
Days 0
Total Days 31
Total Weeks 4 weeks 3 days
Total Weekdays 23
Start Day Monday
End Day Thursday
Date span breakdown
Start date
January 1, 2026
End date
February 1, 2026
Inclusive day count
32 days
Exclusive day count
31 days
How to read this: exact difference uses calendar years, then months, then remaining days. Total days gives the full day count across the same range.
